$c = hexdec($match[1]);
if (0x80 > $c %= 0x200000) {
- return chr($c);
+ return \chr($c);
}
if (0x800 > $c) {
- return chr(0xC0 | $c >> 6).chr(0x80 | $c & 0x3F);
+ return \chr(0xC0 | $c >> 6).\chr(0x80 | $c & 0x3F);
}
if (0x10000 > $c) {
- return chr(0xE0 | $c >> 12).chr(0x80 | $c >> 6 & 0x3F).chr(0x80 | $c & 0x3F);
+ return \chr(0xE0 | $c >> 12).\chr(0x80 | $c >> 6 & 0x3F).\chr(0x80 | $c & 0x3F);
}
}, $value);
}